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L-Cystine, 99%

Catalog No. AAA1376230
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Catalog No. AAA1376230 Supplier Thermo Scientific Chemicals Supplier No. A1376230
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Description

CAS: 56-89-3 | C6H12N2O4S2 | 240.292 g/mol

L-Cystine is used as an antioxidant, protecting tissues against radiation and pollution. It finds application in protein synthesis. It is required for utilization of vitamin B6 and is useful in healing burns and wounds. It is also is required by certain malignant cell lines in the culture medium as well as for the growth of certain micro-organisms. It is useful in the stimulation of hematopoietic system and promotes the formation of white and red blood cells. It is an active ingredient in medications used to treat dermatitis.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
L-Cystine is used as an antioxidant, protecting tissues against radiation and pollution. It finds application in protein synthesis. It is required for utilization of vitamin B6 and is useful in healing burns and wounds. It is also is required by certain malignant cell lines in the culture medium as well as for the growth of certain micro-organisms. It is useful in the stimulation of hematopoietic system and promotes the formation of white and red blood cells. It is an active ingredient in medications used to treat dermatitis.

Solubility
Soluble in water.

Notes
Incompatible with strong oxidizing agents.

Chemical Identifiers

CAS 56-89-3
Molecular Formula C6H12N2O4S2
Molecular Weight (g/mol) 240.292
MDL Number MFCD00064228
InChI Key LEVWYRKDKASIDU-IMJSIDKUSA-N
Synonym l-cystine, cystine, l-dicysteine, l-cystin, cystine acid, cysteine disulfide, oxidized l-cysteine, beta,beta'-dithiodialanine, h-cys-oh 2, l-cysteine disulfide
PubChem CID 67678
ChEBI CHEBI:16283
IUPAC Name (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid
SMILES C(C(C(=O)O)N)SSCC(C(=O)O)N

Specifications

Melting Point >240°C (decomposition)
Assay Percent Range 99%
Beilstein 1728094
Merck Index 14,2782
Solubility Information Soluble in water.
Density 1.68
Quantity 250 g
Formula Weight 240.3
Optical Rotation −219° (c=1 in 1N HCl)
Percent Purity 99%
Chemical Name or Material L-Cystine
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Safety and Handling

EINECSNumber 200-296-3
RTECSNumber HA2690000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only